telnet flagit.cse543.rev.fish:13337
To retrieve the flag from the service running at flagit.cse543.rev.fish:13337, you will need to authenticate with the service. Once authenticated, you can send a request to the service specifying the target IP address where you want the flag to be sent. The service will then send the flag to port 13337 on the specified target IP via UDP.
One way to authenticate with the service is to use the telnet command to establish a connection to the service and interact with it directly.
For example, you could use the following command to connect to the service:
>>>telnet flagit.cse543.rev.fish 13337
Once you are connected to the service, you can authenticate by sending the appropriate authentication credentials. If the authentication is successful, you can then send a request to the service to send the flag to a specified target IP address.
Alternatively, you could write a program to automate the authentication and request processes. The program would need to establish a TCP connection to the service, authenticate with the appropriate credentials, and then send a request to the service to send the flag to the specified target IP address.
Regardless of the approach you take, you will need to know the correct authentication credentials and the target IP address where you want the flag to be sent. Without this information, you will not be able to retrieve the flag from the service.
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